Q1
Why is water used in car radiators?
Answer:
Water is used in car radiators as coolant t hat is generally used to decrease or maintain the temperature of the system.
Q2
What is Spring?
Answer:
The place where underground water comes out on the surface of earth on its own is called a spring.
Q3
State whether true or false: sea water can be used for irrigation of crops like wheat.
Answer:
Sea water can not be used for irrigation of crops like wheat as sea water is saline.
So, the given statement is False.
Q4
How many states of water are there?
Answer:
There are three states of water:
- Solid State
- Liquid State
- Gaseous State
Q5
More than ______ part of the earth is covered with water.
Answer:
¾ of the earth is covered with water.
Q6
The purest form of natural water is ______.
Answer:
Rainwater is the purest form of natural water.
Q7
The boiling point of water is ______.
Answer:
100 degree Celsuis.
